Loss to follow-up and missing data: important issues that can affect your study results

Ferreira1,2,a, Juliana Carvalho; Patino1,3,b, Cecilia Maria

doi:http://dx.doi.org/10.1590/1806-3713/e20190091

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Educação Continuada: Metodologia Científica

Loss to follow-up and missing data: important issues that can affect your study results

Perda de seguimento e dados faltantes: questões importantes que podem afetar os resultados do seu estudo

Juliana Carvalho Ferreira1,2,a, Cecilia Maria Patino1,3,b

DOI: http://dx.doi.org/10.1590/1806-3713/e20190091

1. Methods in Epidemiologic, Clinical, and Operations Research-MECOR-program, American Thoracic Society/Asociación Latinoamericana del Tórax, Montevideo, Uruguay.
2. Divisão de Pneumologia, Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil.
3. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
a. http://orcid.org/0000-0001-5742-2157; b. http://orcid.org/0000-0001-6548-1384